21914504864274 has 32 divisors (see below), whose sum is σ = 48830772934656. Its totient is φ = 6499466303120.

The previous prime is 21914504864261. The next prime is 21914504864303. The reversal of 21914504864274 is 47246840541912.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3532315542 + ... + 3532321745.

It is an arithmetic number, because the mean of its divisors is an integer number (1525961654208).

Almost surely, 2^{21914504864274} is an apocalyptic number.

21914504864274 is an abundant number, since it is smaller than the sum of its proper divisors (26916268070382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21914504864274 is a wasteful number, since it uses less digits than its factorization.

21914504864274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7064637350.

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 21914504864274 in words is "twenty-one trillion, nine hundred fourteen billion, five hundred four million, eight hundred sixty-four thousand, two hundred seventy-four".